First Version

autofill.sh

@@ -1 +1 @@
-checkio --domain py autofillrepo --py-function sum_two --js-function sumTwo .
+checkio --domain py autofillrepo --py-function replace_first --js-function replaceFirst .

editor/animation/init.js

@@ -8,8 +8,8 @@ requirejs(['ext_editor_io', 'jquery_190'],
         var io = new extIO({
             multipleArguments: true,
             functions: {
-                python: 'sum_two',
-                js: 'sumTwo'
+                python: 'replace_first',
+                js: 'replaceFirst'
             }
         });
         io.start();

editor/initial_code/js_node

@@ -1,19 +1,21 @@
 "use strict";
 
-function sumTwo(a, b) {
-    // sums two passed arguments
-
+function replaceFirst(a) {
     // your code here
-    return 0;
+    return undefined;
 }
 
 var assert = require('assert');
+
 if (!global.is_checking) {
     console.log('Example:');
-    console.log(sumTwo(3, 2));
+    console.log(replaceFirst([1, 2, 3, 4]));
+
+    // These "asserts" are used for self-checking
+    assert.deepEqual(replaceFirst([1, 2, 3, 4]), [2, 3, 4, 1]);
+    assert.deepEqual(replaceFirst([1]), [1]);
+    assert.deepEqual(replaceFirst([]), []);
 
-    // These "asserts" are used for self-checking and not for an auto-testing
-    assert.equal(sumTwo(3, 2), 5);
-    assert.equal(sumTwo(5, 7), 12);
     console.log("Coding complete? Click 'Check' to earn cool rewards!");
 }
+

editor/initial_code/python_3

@@ -1,16 +1,14 @@
-def sum_two(a, b):
-    """
-        sums two passed arguments
-    """
+def replace_first(a):
     # your code here
     return None
 
 
 if __name__ == '__main__':
     print("Example:")
-    print(sum_two(3, 2))
-    
+    print(replace_first([1, 2, 3, 4]))
+
     # These "asserts" are used for self-checking and not for an auto-testing
-    assert sum_two(3, 2) == 5, "First"
-    assert sum_two(5, 7) == 12, "Second"
+    assert replace_first([1, 2, 3, 4]) == [2, 3, 4, 1]
+    assert replace_first([1]) == [1]
+    assert replace_first([]) == []
     print("Coding complete? Click 'Check' to earn cool rewards!")

info/task_description.html

@@ -1,20 +1,19 @@
 <!-- Describe task in general -->
 
 <p>
-    Sum two passed ints
+    In a given array first element should become the last one. Empty array or array with only one element should stay the same
 </p>
 
 <p style="text-align: center;">
     <img  title="example" src="{{MEDIA}}example.png" alt="example" style="max-height: 83px"/>
 </p>
-
 <!-- Explain input and output values -->
 <p>
-    <strong>Input: </strong> Two arguments. Both are ints.
+    <strong>Input: </strong> {% if interpreter.slug == "js-node" %}Array{% else %}Itarable{% endif %}.
 </p>
 
 <p>
-    <strong>Output: </strong> Int. 
+    <strong>Output: </strong> {% if interpreter.slug == "js-node" %}Array{% else %}Itarable{% endif %}. 
 </p>
 
 
@@ -25,28 +24,13 @@
     </p>
 
 {% if interpreter.slug == "js-node" %}
-<pre class="brush: javascript">sumTwo(2, 3) == 5
-sumTwo(5, 7) == 12
+<pre class="brush: javascript">replaceFirst([1, 2, 3, 4]) == [2, 3, 4, 1]
+replaceFirst([1]) == [1]
 </pre>
 {% else %}
-<pre class="brush: python">sum_two(2, 3) == 5
-sum_two(5, 7) == 12
+<pre class="brush: python">replace_first([1, 2, 3, 4]) == [2, 3, 4, 1]
+replace_first([1]) == [1]
 </pre>
 {% endif %}
 </div>
 
-
-<!-- Here you can explain how it can be used in development -->
-<!-- The section is optional -->
-<p class="for_info_only">
-
-    <strong>How it’s used: </strong>
-    <i>(math is used everywhere)</i>
-</p>
-
-<!-- Here you can explain some constraints for input-->
-<!-- The section is optional -->
-<p>
-    <strong>Precondition:</strong>
-    <i>both given ints should be between -1000 and 1000</i>
-</p>

info/task_short_description.html

@@ -1 +1 @@
-Add short description
+The first element should become the last one

verification/referee.py

@@ -38,8 +38,8 @@
     CheckiOReferee(
         tests=TESTS,
         function_name={
-            "python": "sum_two",
-            "js": "sumTwo"
+            "python": "replace_first",
+            "js": "replaceFirst"
         },
         cover_code={
             'python-3': cover_codes.unwrap_args,

verification/tests.py

@@ -11,26 +11,30 @@
 TESTS = {
     "Basics": [
         {
-            "input": [3, 2],
-            "answer": 5,
-            "explanation": "3+2=?"
+            "input": [[1,2,3,4]],
+            "answer": [2,3,4,1],
         },
         {
-            "input": [5, 7],
-            "answer": 12,
-            "explanation": "5+7=?"
-        }
+            "input": [[1]],
+            "answer": [1],
+        },
+        {
+            "input": [[]],
+            "answer": [],
+        },
     ],
     "Extra": [
         {
-            "input": [6, 3],
-            "answer": 9,
-            "explanation": "6+3=?"
+            "input": [[10, 10]],
+            "answer": [10, 10],
         },
         {
-            "input": [6, 7],
-            "answer": 13,
-            "explanation": "6+7=?"
-        }
+            "input": [[1,2,2,2]],
+            "answer": [2,2,2,1],
+        },
+        {
+            "input": [[100]],
+            "answer": [100],
+        },
     ]
 }